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Sleep and Light Therapy for Circadian Rhythm Disorder (CARRS-P2 Trial)

N/A
Recruiting
Led By Brant Hasler, PhD
Research Sponsored by University of Pittsburgh
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be younger than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up continuously up to every 6 months for up to 5 years
Awards & highlights

CARRS-P2 Trial Summary

This trial will test an innovative and mechanistic model of brain circuitry that uses multi-method approaches, takes a developmental perspective, and incorporates key sleep and reward constructs.

Who is the study for?
This trial is for healthy teens typically enrolled in high school, who go to bed later than 11:15 PM and are not homeschooled. They can't have metal in their body, be pregnant, have unstable medical conditions, recent changes to psychotropic meds, extreme late sleep patterns, frequent headaches or migraines, a history of substance use or serious psychiatric disorders.Check my eligibility
What is being tested?
The study explores how manipulating sleep and circadian rhythms affects reward function in adolescents. It involves monitoring sleep patterns and mood while adjusting light exposure (more bright light in the morning; less blue light at night) and managing sleep schedules.See study design
What are the potential side effects?
There may be no direct side effects from the interventions since they involve non-invasive techniques like adjusting light exposure and modifying sleep schedules. However, changing one's routine could temporarily affect mood or alertness.

CARRS-P2 Trial Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~continuously up to every 6 months for up to 5 years
This trial's timeline: 3 weeks for screening, Varies for treatment, and continuously up to every 6 months for up to 5 years for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Change from baseline in Circadian alignment at 2 weeks
Change from baseline in Sleep timing at 2 weeks
Change from baseline in behavioral inhibition at 2 weeks
+4 more
Secondary outcome measures
Caffeine use
Substance use

CARRS-P2 Trial Design

2Treatment groups
Experimental Treatment
Active Control
Group I: Advance/Extend ManipulationExperimental Treatment4 Interventions
For ~2 weeks, Advance/Extend participants will advance bedtime and regularize wake time. The first night of the manipulation will be conducted in the lab under tightly-controlled experimental conditions. Participants will then go home and for the next 12 days will be instructed to: Sleep scheduling-- advance bedtime by 1.5 hours ( + sleep duration) Decrease evening blue light exposure via blue blocker goggles (2 hrs before bed) Increase morning bright light exposure via bright light goggles (30 min after rise) Monitor sleep, mood, and substance use via smartphone-based platform and wrist actigraph
Group II: ControlActive Control1 Intervention
Control participants will complete the baseline laboratory study, then maintain their habitual sleep schedules over the next 13 days at home, with no instruction on sleep timing or light exposure. Control participants will complete smartphone-and text-based assessments, thereby controlling for effort.

Find a Location

Who is running the clinical trial?

National Institute on Drug Abuse (NIDA)NIH
2,469 Previous Clinical Trials
2,619,309 Total Patients Enrolled
University of PittsburghLead Sponsor
1,722 Previous Clinical Trials
16,342,846 Total Patients Enrolled
Brant Hasler, PhDPrincipal Investigator - University of Pittsburgh
University of Pittsburgh

Media Library

Increase morning bright light Clinical Trial Eligibility Overview. Trial Name: NCT04792697 — N/A
Delayed Sleep Phase Syndrome Research Study Groups: Advance/Extend Manipulation, Control
Delayed Sleep Phase Syndrome Clinical Trial 2023: Increase morning bright light Highlights & Side Effects. Trial Name: NCT04792697 — N/A
Increase morning bright light 2023 Treatment Timeline for Medical Study. Trial Name: NCT04792697 — N/A

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

Who has the capacity to partake in this trial?

"This clinical trial is recruiting 100 adolescents between the ages of 13 and 15 with delayed sleep phase syndrome. Those hoping to be admitted must meet a set of criteria, such as being enrolled in traditional high-school learning (excluding cyber or home schooling; although school closures due to COVID are an exception), demonstrate good physical and mental health, provide written consent/assent from guardians if applicable, and have bedtimes after 11:15PM for those assigned to the experimental protocol."

Answered by AI

How many individuals are currently participating in this clinical trial?

"That is correct. According to the data hosted on clinicaltrials.gov, this medical trial first appeared on May 1st 2021 and was recently updated as of August 1st 2022. It requires 100 individuals from a single location."

Answered by AI

Is the eligibility criteria of this clinical trial inclusive to individuals over 65 years old?

"This clinical study is open to participants between the ages of 13 and 15."

Answered by AI

Is this analysis currently open to recruitment?

"Affirmative. According to the data hosted on clinicaltrials.gov, this medical experiment is currently recruiting patients; it was originally posted on May 1st 2021 and last updated on August 1st 2022. The study necessitates 100 volunteers from a single site for participation."

Answered by AI

Who else is applying?

What site did they apply to?
Western Psychiatric Hospital
What portion of applicants met pre-screening criteria?
Met criteria
How many prior treatments have patients received?
2
~24 spots leftby Mar 2025